Measuring ophthalmoscope and ophthalmoscopic procedure

Details Measuring ophthalmoscope and ophthalmoscopic procedure Measuring ophthalmoscope and ophthalmoscopic procedure

1989-03-16

1991-10-01

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351205, A61B 310

Patent

active

050527959

ABSTRACT:
An ophthalmoscopic procedure and ophthalmoscope for quantitative measurement of fundus structures and, in particular, the area of neuroretinal rim are disclosed. Using an ophthalmoscope, a diverging beam of light is projected at a selected fundus structure of the eye being examined. The angle of divergence of the beam is determined from which the light spot size is calculated. A comparison of the light spot and fundus structures is made to measure the fundus structure.

REFERENCES:
patent: 2370514 (1945-02-01), Arnesen
patent: 2444172 (1948-06-01), Silverstein

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